5. You shall be punished if you go against _______.

　　 A. a nature　　　 B. nature　　　　　 C. the nature　　 D. natures

4. We must work hard to protect the environment from ______.

　　 A. pollution　　 B. pollute　　　　 C. polluted　　　 D. polluting

3. We don't allow ____ here. Those who smoke are not allowed ____ here.

　　 A. smoking; smoking　　　　　　　　 B. to smoke; to smoke

　　 C. to smoke; smoking　　　　　　 　　D. smoking; to smoke

2. It's easy to ______ a bad habit but difficult to get rid of it.

　　 A. take　　　　　 B. get　　　　　　 C. fall into　　 D. make

1. I received an invitation ____　 Jack __ his wedding yesterday. He'll get married next week.

　　 A. of; to　　　　 B. from; to　　　　 C. of; at　　　　 D. from; at

15. Well, after all these years we’ve at last paid off all our debts.

14. During the next ten years we both worked day and night to pay for it.

13. Pierre and I did have a very good time at the ball.

12. You tried it on and it looked wonderful on you.

11. And then I saw a lovely diamond necklace with a blue stone in the centre.